calculate mean,SD and 95%confidence limit. Use t=4.3.Compare the two means using the student's t test and precision of the two methods using F test at 95% confidence level . For two sets of three replicates use t=2.78 and fcrit=19 AA (mg/g)UV (ug/ml)Sample (ug/ml)Unknown Fe solution 1Unknown Fe solution _20.3228.1360.3187.967Unknown Fe solution_30.328.339MeanStandard deviation95% Confidence limit (uset=4.3)AA (mg/g)Fertiliser (mg/ml)Fertiliser solution 1Fertiliser solution_2Fertiliser solution_3UV (ug/ml)0.5927.7630.6447.6950.5777.661MeanStandard deviation95% Confidence limit (uset=4.3)

Mean, standard deviations, confidence limit are calculated using respective formulas. We can't use…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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calculate mean,SD and 95%confidence limit. Use t=4.3.Compare the two means using the student's t test and precision of the two methods using F test at 95% confidence level . For two sets of three replicates use t=2.78 and fcrit=19

AA (mg/g)
UV (ug/ml)
Sample (ug/ml)
Unknown Fe solution 1
Unknown Fe solution _2
0.322
8.136
0.318
7.967
Unknown Fe solution_3
0.32
8.339
Mean
Standard deviation
95% Confidence limit (use
t=4.3)
AA (mg/g)
Fertiliser (mg/ml)
Fertiliser solution 1
Fertiliser solution_2
Fertiliser solution_3
UV (ug/ml)
0.592
7.763
0.644
7.695
0.577
7.661
Mean
Standard deviation
95% Confidence limit (use
t=4.3)

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